package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {

    @Select("select * from user where openid=#{openid}")
    User getByOpenid(String openid );

    /**
     * 插入数据
     * 要通过usergenteral key 获得 user的id
     * @param user
     */
    void insert(User user);

    @Select("select * from user where id=#{user.id}")
    User getById(Long userId);


    Integer countByMap(Map map);
}
